# DVD+RW DL
**Wikidata**: [Q2253615](https://www.wikidata.org/wiki/Q2253615)  
**Source**: https://4ort.xyz/entity/dvd-rw-dl

## Summary
DVD+RW DL is a subclass of **DVD recordable**, a category of Digital Versatile Discs designed to be written by end users. It is distinguished by its dual-layer (DL) technology, which typically employs two recording layers to increase storage capacity while maintaining rewritable functionality. The entity is identified within digital knowledge systems by a specific Google Knowledge Graph ID and maintains a presence across five Wikipedia languages.

## Key Facts
- **Classification:** Subclass of **DVD recordable** (any type of Digital Versatile Disc writable by end users).
- **Google Knowledge Graph ID:** `/g/1z3t2hznv`.
- **Sitelink Count:** 5.
- **Wikipedia Languages:** Finnish (fi), French (fr), Italian (it), Polish (pl), and Turkish (tr).
- **Parent Technology:** Inherits characteristics from the broader **DVD** optical disc family and **machine-readable medium** classification.
- **Format Context:** Associated with the "plus" format (+) standards, often linked to the **DVD+RW Alliance**.

## FAQs
### Q: What is DVD+RW DL?
A: DVD+RW DL is a specific format of recordable digital media classified under the broader **DVD recordable** family. It represents a rewritable, dual-layer disc type that allows end users to write data.

### Q: How does DVD+RW DL relate to the broader DVD recordable family?
A: It is a direct subclass of **DVD recordable**, a class defined as any Digital Versatile Disc writable by end users. This lineage places it within the same taxonomy as write-once (DVD-R) and other rewritable (DVD-RW) formats.

### Q: In which languages is information about DVD+RW DL available?
A: According to structured data, Wikipedia entries for this entity are available in five languages: Finnish, French, Italian, Polish, and Turkish.

## Why It Matters
DVD+RW DL matters as a specialized evolution of optical storage technology. While standard DVD recordables transformed data archiving and distribution by allowing user-authored content, dual-layer variants (DL) addressed the growing need for higher capacity without changing the physical disc size. By offering increased storage, formats like DVD+RW DL enabled the backup of larger datasets and higher-quality video content on a single piece of media. It represents a specific divergence in the "format wars" of optical media, existing within the "plus" (+) ecosystem alongside the competing "dash" (-) standards.

## Notable For
- **Dual-Layer Capacity:** As a DL (Dual-Layer) variant, it is notable for employing two dye layers to effectively double storage capacity compared to standard single-layer discs.
- **Rewritable Functionality:** Distinct from write-once formats (like DVD+R DL), it allows data to be erased and re-recorded multiple times.
- **Global Documentation:** Unlike niche formats, it possesses a distinct multilingual footprint with sitelinks across five different language versions of Wikipedia.
- **Taxonomic Specificity:** It holds a unique identifier within the Google Knowledge Graph (`/g/1z3t2hznv`), distinguishing it from generic DVD recordable entries.

## Body

### Definition and Classification
DVD+RW DL is defined structurally as a **subclass of DVD recordable**. This parent class encompasses any Digital Versatile Disc that end users can write data onto, either once or multiple times. Consequently, DVD+RW DL inherits the properties of being a **machine-readable medium** and part of the broader **DVD** optical-disc family.

### Technical Context
While specific technical dimensions for the DL variant are derived from its class, the source material defines the context of its technology:
- **Dual-Layer Technology:** The "DL" designation indicates the use of dual-layer technology. In the context of DVD recordables, **Dual-Layer Variants** employ two dye layers, effectively doubling capacity while retaining recordable characteristics.
- **Format Family:** It belongs to the "plus" (+) format ecosystem. The parent recordable family includes competing standards such as DVD-R (write-once) and DVD+R (write-once, introduced in 2002 by the DVD+RW Alliance). DVD+RW DL fits into this lineage as the rewritable, high-capacity iteration.

### Digital Presence and Identifiers
The entity has a distinct footprint in knowledge management systems:
- **Google Knowledge Graph:** It is explicitly identified by the ID `/g/1z3t2hznv`.
- **Wikipedia Presence:** The entity has a sitelink count of 5, covering specific language editions: **fi** (Finnish), **fr** (French), **it** (Italian), **pl** (Polish), and **tr** (Turkish).

### Related Standards
The "DVD recordable" family, to which this entity belongs, is commercially standardized under the **GS1 GPC code** `10001451`. This code facilitates commercial identification for the broader category of writable Digital Versatile Discs.